rml-1
C. elegans
UTP--glucose-1-phosphate uridylyltransferase
What the model saw
Gene: rml-1 Organism: Caenorhabditis elegans Known functions: UTP--glucose-1-phosphate uridylyltransferase. UTP:glucose-1-phosphate uridylyltransferase activity. uridylyltransferase activity.
View unredacted entry
UTP--glucose-1-phosphate uridylyltransferase. UTP:glucose-1-phosphate uridylyltransferase activity. uridylyltransferase activity.
Solver output
rml-1 encodes a UTP--glucose-1-phosphate uridylyltransferase, which catalyzes the conversion of glucose-1-phosphate and UTP into UDP-glucose and pyrophosphate. UDP-glucose is a central metabolite in glycogen biosynthesis, trehalose synthesis, and glycosylation reactions. In C. elegans, glycogen metabolism and carbohydrate storage are linked to nutrient sensing pathways (e.g., insulin/IGF-1 signaling), but the directionality of rml-1's influence on longevity is not straightforward: enhanced glycogen storage could buffer metabolic stress (pro-longevity), but excessive carbohydrate flux could also promote lipid accumulation or suppress autophagy (anti-longevity). The molecular function alone — UDP-glucose synthesis — does not unambiguously favor either direction without additional phenotypic or genetic interaction data.
GenAge curators classify each gene's normal function as promoting (Pro-Longevity) or opposing (Anti-Longevity) longevity, based on synthesis across studies. Loss-of-function effects can vary from this depending on the manipulation.
Advisor judgment
The model predicted "unclear" while the ground truth is "anti_longevity." The model correctly identified the enzymatic function (UTP--glucose-1-phosphate uridylyltransferase) and discussed relevant metabolic pathways, but failed to commit to the correct answer. The reasoning is plausible but overly hedged — the model acknowledged both pro- and anti-longevity possibilities without resolving them. The mechanism discussion around glycogen/UDP-glucose metabolism is reasonable but doesn't specifically identify why rml-1 would be anti-longevity. The confidence was appropriately low (0.38), reflecting genuine uncertainty, but the prediction was still wrong. This is a case of appropriate uncertainty rather than confident wrongness.
Raw API responses
solver
{
"reasoning": "rml-1 encodes a UTP--glucose-1-phosphate uridylyltransferase, which catalyzes the conversion of glucose-1-phosphate and UTP into UDP-glucose and pyrophosphate. UDP-glucose is a central metabolite in glycogen biosynthesis, trehalose synthesis, and glycosylation reactions. In C. elegans, glycogen metabolism and carbohydrate storage are linked to nutrient sensing pathways (e.g., insulin/IGF-1 signaling), but the directionality of rml-1's influence on longevity is not straightforward: enhanced glycogen storage could buffer metabolic stress (pro-longevity), but excessive carbohydrate flux could also promote lipid accumulation or suppress autophagy (anti-longevity). The molecular function alone — UDP-glucose synthesis — does not unambiguously favor either direction without additional phenotypic or genetic interaction data.",
"confidence": 0.38,
"key_pathways": [
"UDP-glucose biosynthesis",
"glycogen metabolism",
"insulin/IGF-1 nutrient sensing"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "unclear"
}advisor
{
"notes": "The model predicted \"unclear\" while the ground truth is \"anti_longevity.\" The model correctly identified the enzymatic function (UTP--glucose-1-phosphate uridylyltransferase) and discussed relevant metabolic pathways, but failed to commit to the correct answer. The reasoning is plausible but overly hedged — the model acknowledged both pro- and anti-longevity possibilities without resolving them. The mechanism discussion around glycogen/UDP-glucose metabolism is reasonable but doesn't specifically identify why rml-1 would be anti-longevity. The confidence was appropriately low (0.38), reflecting genuine uncertainty, but the prediction was still wrong. This is a case of appropriate uncertainty rather than confident wrongness.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}